他不断探索、实验、尝试并检验成效，不停修改、改进，直到它能顺利运行。
He has done it by exploring, by experimenting, by trying it out and seeing whether it works, by gradually changing it and refining it until it does work.
结果是空闲处理器只能等待这个处理器释放出运行队列锁，这样会造成效率的降低。
The result was idle processors awaiting release of the runqueue lock and decreased efficiency.
中国实施的一揽子计划已初见成效，经济运行出现积极变化，形势比预料的好。
Firstly, the recent positive signs have shown that the stimulus package of China in tackling the financial crisis has achieved initial results.
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